Home / 1,257,409.41-1,735,264.13-684,487.77

Finding the Fourth Proportional to 1,257,409.41, 1,735,264.13 and 684,487.77

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Solution

The fourth proportional to 1,257,409.41, 1,735,264.13 and 684,487.77 is: 944,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,409.41 : 1,735,264.13 = 684,487.77 : x
  2. Step 2: Convert to fraction form
    1,257,409.41/1,735,264.13 = 684,487.77/x
  3. Step 3: Cross multiply
    1,257,409.41x = 1,735,264.13 × 684,487.77
  4. Step 4: Simplify right side
    1,257,409.41x = 1,187,767,071,282.25
  5. Step 5: Solve for x
    x = 1,187,767,071,282.25/1,257,409.41
  6. Step 6: Final answer
    x = 944,614.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.